Drought-mediated extinction of an arid-land amphibian: Insights from a spatially explicit dynamic occupancy model
Erin R Zylstra, Don E. Swann, Blake R. Hossack, Robert J Steidl
Erin L. Muths, editor(s)
2019, Ecological Applications (29)
Understanding how natural and anthropogenic processes affect population dynamics of species with patchy distributions is critical to predicting their responses to environmental changes. Despite considerable evidence that demographic rates and dispersal patterns vary temporally in response to an array of biotic and abiotic processes, few applications of metapopulation theory have...
Using social-context matching to improve spatial function-transfer performance for cultural ecosystem service models
Darius J. Semmens, Benson C. Sherrouse, Zachary H. Ancona
2019, Ecosystem Services (38)
Recreational and aesthetic enjoyment of public lands is increasing across a wide range of activities, highlighting the need to assess and adapt management to accommodate these uses. Despite a growing number of studies on mapping cultural ecosystem services, most are local-scale assessments that rely on costly and time-consuming primary data...
Monarch habitat as a component of multifunctional landscape restoration using continuous riparian buffers
Darius J. Semmens, Zachary H. Ancona
2019, Frontiers in Environmental Science (7)
Stabilizing the eastern, migratory population of monarch butterflies (Danaus plexippus) is expected to require substantial habitat restoration on agricultural land in the core breeding area of the Upper Midwestern U.S. Previous research has considered the potential to utilize marginal land for this purpose because of its low productivity, erodible soils,...
Detection of rock bridges by infrared thermal imaging and modeling
Antoine Guerin, Michel Jaboyefoff, Brian D. Collins, Marc-Henri Derron, Greg M. Stock, Battista Matasci, Martin Boesiger, Caroline Lefeuvre, Yury Y. Podladchikov
2019, Scientific Reports (9)
Characterization of rock discontinuities and rock bridges is required to define stability conditions of fractured rock masses in both natural and engineered environments. Although remote sensing methods for mapping discontinuities have improved in recent years, remote detection of intact rock bridges on cliff faces remains challenging,...
How characteristic is the species characteristic selection scale?
Erica F. Stuber, Joseph J. Fontaine
2019, Global Ecology and Biogeography (28) 1839-1854
AimThe importance of framing investigations of organism–environment relationships to interpret patterns at relevant spatial scales is increasingly recognized. However, most research related to environmental relationships is single-scaled, implicitly or explicitly assuming that a “species characteristic selection scale” exists. We tested the premise that a single characteristic scale...
Soil and stand structure explain shrub mortality patterns following global change–type drought and extreme precipitation
Rachel R. Renne, Daniel R. Schlaepfer, Kyle A. Palmquist, John B. Bradford, Ingrid C. Burke, William K. Lauenroth
2019, Ecology (100)
(Bradford) The probability of extreme weather events is increasing, with the potential for widespread impacts to plants, plant communities, and ecosystems. Reports of drought-related tree mortality are becoming more frequent along with increasing evidence that drought accompanied by high temperatures is especially detrimental. Simultaneously, extreme large precipitation events have become...
Multivariate models and analyses
Erica Stuber, Christopher Chizinski, Jeffrey Lusk, Joseph J. Fontaine
2019, Book chapter, Quantitative analyses in wildlife science
No abstract available....
Comparing ecological models
Mevin Hooten, Evan G. Cooch
2019, Book chapter, Quantitative Analyses in Wildlife Science
No abstract available....
κ0 and broadband site spectra in Southern California from source model-constrained inversion
Alexis Klimasewski, Valerie J. Sahakian, Annemarie S. Baltay Sundstrom, John Boatwright, Jon Peter Fletcher, Lawrence Baker
2019, Bulletin of the Seismological Society of America (109) 1878-1889
Ground-motion modeling requires accurate representation of the earthquake source, path, and site. Site amplification is often modeled by VS30, the time-averaged shear-wave velocity of the top 30 meters of the Earth’s surface, though recent studies find that its ability to accurately predict site effects varies. Another measure of the site...
Factors affecting post-release survival of coded-wire tagged Lake Trout Salvelinus namaycush in Lake Michigan at four historical spawning locations
Matthew S. Kornis, Charles R. Bronte, Mark E. Holey, S. Dale Hanson, Theodore J. Treska, Jory L. Jonas, Charles P. Madenjian, Randall M. Claramunt, Steven R. Robillard, Brian Breidert, Kevin C. Donner, Stephen J. Lenart, Archie W. Martell, Patrick C. McKee, Erik J. Olson
2019, North American Journal of Fisheries Management (39) 868-895
Since the 1950s, fishery agencies on Lake Michigan have pursued Lake Trout Salvelinus namaycush rehabilitation through Sea Lamprey Petromyzon marinus control, harvest regulations, and by stocking millions of fish annually. Stocking was prioritized at four historically important spawning locations beginning in 1985, and coded wire tags (CWTs) were used...
Hydrothermal fluid migration due to interaction with shallow magma: Insights from gravity changes before and after the 2015 eruption of Cotopaxi volcano, Ecuador
Antonina Calahorrano-Di Patre, Glyn William-Jones, Maurizio Battaglia, Patricia Mothes, Elizabeth Gaunt, Jeffrey Zurek, Mario Ruiz, Jeffery Witter
Patricia Mothes, Elizabeth Gaunt, Jeffrey Zurek, Mario Ruiz, Jeffery Witter, editor(s)
2019, Journal of Volcanology and Geothermal Research (387)
On August 14, 2015 Cotopaxi Volcano (Ecuador) erupted with several phreatomagmatic explosions after nearly 135 years of quiescence. Unrest began in April 2015 with an increase in the number of daily seismic events and inflation of the flanks of the volcano. Time-lapse gravity measurements started at Cotopaxi volcano in...
Controls on spatial and temporal variations of brine discharge to the Dolores River in the Paradox Valley, Colorado, 2016–18
M. Alisa Mast, Neil Terry
2019, Scientific Investigations Report 2019-5058
The Paradox Valley in southwestern Colorado is a collapsed anticline formed by movement of the salt-rich Paradox Formation at the core of the anticline. The salinity of the Dolores River, a tributary of the Colorado River, increases substantially as it crosses the valley because of discharge of brine-rich groundwater derived...
Monitoring drought impact on annual forage production in semi-arid grasslands: A case study of Nebraska sandhills
Marketa Podebradska, Bruce Wylie, Michael J. Hayes, Brian D. Wardlow, Deborah J. Bathke, Norman B. Bliss, Devendra Dahal
2019, Remote Sensing (11)
Land management practices and disturbances (e.g. overgrazing, fire) have substantial effects on grassland forage production. When using satellite remote sensing to monitor climate impacts, such as drought stress on annual forage production, minimizing land management practices and disturbance effects sends a clear climate signal to the productivity...
Influence of dissolved organic carbon on the acute toxicity of copper and zinc to White Sturgeon (Acipenser transmontanus) and a Cladoceran (Ceriodaphnia dubia)
Chris D. Ivey, John M. Besser, Jeffery A. Steevens, Michael Walther, Vanessa Melton
2019, Environmental Toxicology and Chemistry (38) 2682-2687
We conducted acute lethality tests with white sturgeon (Acipenser transmontanus) and Ceriodaphnia dubia exposed to copper and zinc at dissolved organic carbon concentrations ranging from 0.5 to 5.5 mg/L. Dissolved organic carbon had minimal effects on zinc toxicity but did have a protective effect on acute copper toxicity, which was...
Isolation by a hydroelectric dam induces minimal impacts on genetic diversity and population structure in six fish species
Jenna Ruzich, Keith Turnquist, Nathan Nye, David Rowe, Wesley Larson
2019, Conservation Genetics (20) 1421-1436
Reduced connectivity created by artificial barriers can influence the genetic integrity of isolated subpopulations by reducing local population sizes and altering patterns of gene flow. We investigated the genetic impacts of one such barrier, the Prairie du Sac dam, Wisconsin, USA, using microsatellite data from six...
The landscape of soil carbon data: Emerging questions, synergies and databases
Avni Malhotra, Katherine Todd-Brown, Luke Nave, Niels Batjes, James Holmquist, Alison Hoyt, Colleen Iversen, Robert B. Jackson, Kate Lathja, Corey R. Lawrence, Olga Vinduśková, William Wieder, Matt Williams, Gustaf Hugelias, Jennifer Harden
2019, Progress in Physical Geography: Earth and Environment (43) 707-719
Soil carbon has been measured for over a century in applications ranging from understanding biogeochemical processes in natural ecosystems to quantifying the productivity and health of managed systems. Consolidating diverse soil carbon datasets is increasingly important to maximize their value, particularly with growing anthropogenic and climate change pressures. In this...
Interferometric synthetic aperture radar study of recent eruptive activity at Shrub mud volcano, Alaska
Yufen Niu, Daniel Dzurisin, Zhong Lu
2019, Journal of Volcanology and Geothermal Research (387)
Shrub mud volcano is one of three large mud volcanoes that comprise the Klawasi Group in the Copper River Basin of southcentral Alaska. Except for minor discharges in the mid-1950s when the group was first described, Shrub was dormant prior to its reactivation in summer 1996. From 1997 to 1999,...
The effects of management practices on grassland birds—Marbled Godwit (Limosa fedoa)
Jill A. Shaffer, Lawrence D. Igl, Douglas H. Johnson, Marriah L. Sondreal, Christopher M. Goldade, Melvin P. Nenneman, Betty R. Euliss
2019, Professional Paper 1842-H
Keys to Marbled Godwit (Limosa fedoa) management include providing large expanses of short, sparsely to moderately vegetated landscapes that include native grasslands and wetland complexes. Optimal wetland complexes should contain a diversity of wetland classes and sizes, such as ephemeral, temporary, seasonal, semipermanent, permanent, and alkali wetlands, as well as...
Activity patterns of cave-dwelling bat species during pre-hibernation swarming and post-hibernation emergence in the central Appalachians
Michael S. Muthersbaugh, W. Mark Ford, Alexander Silvis, Karen E. Powers
2019, Diversity (11)
In North America, bat research efforts largely have focused on summer maternity colonies and winter hibernacula, leaving the immediate pre- and post-hibernation ecology for many species unstudied. Understanding these patterns and processes is critical for addressing potential additive impacts to White-nose Syndrome (WNS)-affected bats, as autumn is...
Numerical model simulations of potential changes in water levels and capture of natural discharge from groundwater withdrawals in Snake Valley and adjacent areas, Utah and Nevada
Melissa D. Masbruch
2019, Open-File Report 2019-1083
The National Park Service (NPS) and the Bureau of Land Management (BLM) are concerned about cumulative effects of groundwater development on groundwater-dependent resources managed by, and other groundwater resources of interest to, these agencies in Snake Valley and adjacent areas, Utah and Nevada. Of particular concern to the NPS and...
Crustal magmatism and anisotropy beneath the Arabian Shield - A cautionary tale
Paul A. Bedrosian, Jared R. Peacock, Maher K. Al-Dhahry, Adel Shareef, D. W. Feucht, Hani M. Zahran
2019, Journal of Geophysical Research B: Solid Earth (124) 10153-10179
Volcanism in Saudi Arabia includes a historic eruption close to the holy city of Al Madinah. As part of a volcanic hazard assessment of this area, magnetotelluric (MT) data were collected to investigate the structural setting, the distribution of melt within the crust, and the mantle source of volcanism. Interpretation...
Tritium as an indicator of modern, mixed, and premodern groundwater age
Bruce D. Lindsey, Bryant C. Jurgens, Kenneth Belitz
2019, Scientific Investigations Report 2019-5090
Categorical classification of groundwater age is often used for the assessment and understanding of groundwater resources. This report presents a tritium-based age classification system for the conterminous United States based on tritium (3H) thresholds that vary in space and time: modern (recharged in 1953 or later), if the measured value...
Modeling spatially and temporally complex range dynamics when detection is imperfect
Clark S. Rushing, J. Andrew Royle, David Ziolkowski, Keith L. Pardieck
2019, Scientific Reports (9)
Species distributions are determined by the interaction of multiple biotic and abiotic factors, which produces complex spatial and temporal patterns of occurrence. As habitats and climate change due to anthropogenic activities, there is a need to develop species distribution models that can quantify these complex range dynamics. In this paper,...
Evaluation of groundwater-flow models for estimating drawdown from proposed groundwater development in Tule Desert, Nevada
Keith J. Halford
2019, Open-File Report 2019-1091
At the request of the Bureau of Land Management (BLM), the U.S. Geological Survey (USGS) is releasing with this open-file report (OFR) a previously unpublished review and comparison of two numerical models for Tule Desert, Nevada. The original review was performed in spring 2013, and only minor editorial revisions were...
Comparison of methods for modeling fractional cover using simulated satellite hyperspectral imager spectra
Philip E. Dennison, Yi Qi, Susan K. Meerdink, Raymond F. Kokaly, David R. Thompson, Craig S.T. Daughtry, Miguel Quemada, Dar A. Roberts, Paul Gader, Erin Wetherley, Izaya Numata, Keely L. Roth
2019, Remote Sensing (11)
Remotely sensed data can be used to model the fractional cover of green vegetation (GV), non-photosynthetic vegetation (NPV), and soil in natural and agricultural ecosystems. NPV and soil cover are difficult to estimate accurately since absorption by lignin, cellulose, and other organic molecules cannot be resolved by broadband multispectral data....
